diff options
Diffstat (limited to 'indra/llfilesystem/llfilesystem.cpp')
| -rw-r--r-- | indra/llfilesystem/llfilesystem.cpp | 236 |
1 files changed, 72 insertions, 164 deletions
diff --git a/indra/llfilesystem/llfilesystem.cpp b/indra/llfilesystem/llfilesystem.cpp index 6d6ff3d7e1..c6b20caa69 100644 --- a/indra/llfilesystem/llfilesystem.cpp +++ b/indra/llfilesystem/llfilesystem.cpp @@ -1,4 +1,4 @@ -/** +/** * @file filesystem.h * @brief Simulate local file system operations. * @Note The initial implementation does actually use standard C++ @@ -8,21 +8,21 @@ * $LicenseInfo:firstyear=2002&license=viewerlgpl$ * Second Life Viewer Source Code * Copyright (C) 2010, Linden Research, Inc. - * + * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; * version 2.1 of the License only. - * + * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. - * + * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * + * * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ */ @@ -36,139 +36,74 @@ #include <fstream> -const S32 LLFileSystem::READ = 0x00000001; -const S32 LLFileSystem::WRITE = 0x00000002; -const S32 LLFileSystem::READ_WRITE = 0x00000003; // LLFileSystem::READ & LLFileSystem::WRITE -const S32 LLFileSystem::APPEND = 0x00000006; // 0x00000004 & LLFileSystem::WRITE +const S32 LLFileSystem::READ = 0x00000001; +const S32 LLFileSystem::WRITE = 0x00000002; +const S32 LLFileSystem::READ_WRITE = 0x00000003; // LLFileSystem::READ & LLFileSystem::WRITE +const S32 LLFileSystem::APPEND = 0x00000006; // 0x00000004 & LLFileSystem::WRITE static LLTrace::BlockTimerStatHandle FTM_VFILE_WAIT("VFile Wait"); -LLDiskCache* LLFileSystem::mDiskCache = 0; -std::string LLFileSystem::mCacheDirName = "cache"; -LLFileSystem::LLFileSystem(const LLUUID &file_id, const LLAssetType::EType file_type, S32 mode) +LLFileSystem::LLFileSystem(const LLUUID& file_id, const LLAssetType::EType file_type, S32 mode) { - mFileType = file_type; - mFileID = file_id; - mPosition = 0; + mFileType = file_type; + mFileID = file_id; + mPosition = 0; mBytesRead = 0; - mReadComplete = FALSE; - mMode = mode; + mMode = mode; } LLFileSystem::~LLFileSystem() { } -const std::string assetTypeToString(LLAssetType::EType at) +// static +bool LLFileSystem::getExists(const LLUUID& file_id, const LLAssetType::EType file_type) { - /** - * Make use of the C++17 (or is it 14) feature that allows - * for inline initialization of an std::map<> - */ - typedef std::map<LLAssetType::EType, std::string> asset_type_to_name_t; - asset_type_to_name_t asset_type_to_name = - { - { LLAssetType::AT_TEXTURE, "TEXTURE" }, - { LLAssetType::AT_SOUND, "SOUND" }, - { LLAssetType::AT_CALLINGCARD, "CALLINGCARD" }, - { LLAssetType::AT_LANDMARK, "LANDMARK" }, - { LLAssetType::AT_SCRIPT, "SCRIPT" }, - { LLAssetType::AT_CLOTHING, "CLOTHING" }, - { LLAssetType::AT_OBJECT, "OBJECT" }, - { LLAssetType::AT_NOTECARD, "NOTECARD" }, - { LLAssetType::AT_CATEGORY, "CATEGORY" }, - { LLAssetType::AT_LSL_TEXT, "LSL_TEXT" }, - { LLAssetType::AT_LSL_BYTECODE, "LSL_BYTECODE" }, - { LLAssetType::AT_TEXTURE_TGA, "TEXTURE_TGA" }, - { LLAssetType::AT_BODYPART, "BODYPART" }, - { LLAssetType::AT_SOUND_WAV, "SOUND_WAV" }, - { LLAssetType::AT_IMAGE_TGA, "IMAGE_TGA" }, - { LLAssetType::AT_IMAGE_JPEG, "IMAGE_JPEG" }, - { LLAssetType::AT_ANIMATION, "ANIMATION" }, - { LLAssetType::AT_GESTURE, "GESTURE" }, - { LLAssetType::AT_SIMSTATE, "SIMSTATE" }, - { LLAssetType::AT_LINK, "LINK" }, - { LLAssetType::AT_LINK_FOLDER, "LINK_FOLDER" }, - { LLAssetType::AT_MARKETPLACE_FOLDER, "MARKETPLACE_FOLDER" }, - { LLAssetType::AT_WIDGET, "WIDGET" }, - { LLAssetType::AT_PERSON, "PERSON" }, - { LLAssetType::AT_MESH, "MESH" }, - { LLAssetType::AT_SETTINGS, "SETTINGS" }, - { LLAssetType::AT_UNKNOWN, "UNKNOWN" } - }; + std::string id_str; + file_id.toString(id_str); + const std::string extra_info = ""; + const std::string filename = LLDiskCache::getInstance()->metaDataToFilepath(id_str, file_type, extra_info); - asset_type_to_name_t::iterator iter = asset_type_to_name.find(at); - if (iter != asset_type_to_name.end()) + std::ifstream file(filename, std::ios::binary); + if (file.is_open()) { - return iter->second; + file.seekg(0, std::ios::end); + return file.tellg() > 0; } - - return std::string("UNKNOWN"); -} - -const std::string LLFileSystem::idToFilepath(const std::string id, LLAssetType::EType at) -{ - /** - * For the moment this is just {UUID}_{ASSET_TYPE}.txt but of - * course, will be greatly expanded upon - */ - std::ostringstream ss; - ss << "00cache_"; - ss << id; - ss << "_"; - ss << assetTypeToString(at); - ss << ".txt"; - - const std::string filepath = gDirUtilp->getExpandedFilename(LL_PATH_CACHE, mCacheDirName, ss.str()); - - return filepath; -} - -// static -bool LLFileSystem::getExists(const LLUUID &file_id, const LLAssetType::EType file_type) -{ - std::string id_str; - file_id.toString(id_str); - const std::string filename = idToFilepath(id_str, file_type); - - std::ifstream file(filename, std::ios::binary); - if (file.is_open()) - { - file.seekg(0, std::ios::end); - return file.tellg() > 0; - } - return false; + return false; } // static -bool LLFileSystem::removeFile(const LLUUID &file_id, const LLAssetType::EType file_type) +bool LLFileSystem::removeFile(const LLUUID& file_id, const LLAssetType::EType file_type) { std::string id_str; file_id.toString(id_str); - const std::string filename = idToFilepath(id_str, file_type); - + const std::string extra_info = ""; + const std::string filename = LLDiskCache::getInstance()->metaDataToFilepath(id_str, file_type, extra_info); + std::remove(filename.c_str()); return true; } // static -bool LLFileSystem::renameFile(const LLUUID &old_file_id, const LLAssetType::EType old_file_type, - const LLUUID &new_file_id, const LLAssetType::EType new_file_type) +bool LLFileSystem::renameFile(const LLUUID& old_file_id, const LLAssetType::EType old_file_type, + const LLUUID& new_file_id, const LLAssetType::EType new_file_type) { std::string old_id_str; old_file_id.toString(old_id_str); - const std::string old_filename = idToFilepath(old_id_str, old_file_type); + const std::string extra_info = ""; + const std::string old_filename = LLDiskCache::getInstance()->metaDataToFilepath(old_id_str, old_file_type, extra_info); std::string new_id_str; new_file_id.toString(new_id_str); - const std::string new_filename = idToFilepath(new_id_str, new_file_type); + const std::string new_filename = LLDiskCache::getInstance()->metaDataToFilepath(new_id_str, new_file_type, extra_info); if (std::rename(old_filename.c_str(), new_filename.c_str())) { // We would like to return FALSE here indicating the operation // failed but the original code does not and doing so seems to - // break a lot of things so we go with the flow... + // break a lot of things so we go with the flow... //return FALSE; } @@ -176,11 +111,12 @@ bool LLFileSystem::renameFile(const LLUUID &old_file_id, const LLAssetType::ETyp } // static -S32 LLFileSystem::getFileSize(const LLUUID &file_id, const LLAssetType::EType file_type) +S32 LLFileSystem::getFileSize(const LLUUID& file_id, const LLAssetType::EType file_type) { std::string id_str; file_id.toString(id_str); - const std::string filename = idToFilepath(id_str, file_type); + const std::string extra_info = ""; + const std::string filename = LLDiskCache::getInstance()->metaDataToFilepath(id_str, file_type, extra_info); S32 file_size = 0; std::ifstream file(filename, std::ios::binary); @@ -193,15 +129,14 @@ S32 LLFileSystem::getFileSize(const LLUUID &file_id, const LLAssetType::EType fi return file_size; } -BOOL LLFileSystem::read(U8 *buffer, S32 bytes, BOOL async, F32 priority) +BOOL LLFileSystem::read(U8* buffer, S32 bytes) { - BOOL success = TRUE; - - mReadComplete = FALSE; + BOOL success = TRUE; std::string id; mFileID.toString(id); - const std::string filename = idToFilepath(id, mFileType); + const std::string extra_info = ""; + const std::string filename = LLDiskCache::getInstance()->metaDataToFilepath(id, mFileType, extra_info); std::ifstream file(filename, std::ios::binary); if (file.is_open()) @@ -226,44 +161,33 @@ BOOL LLFileSystem::read(U8 *buffer, S32 bytes, BOOL async, F32 priority) { success = FALSE; } - - mReadComplete = TRUE; } - // update the last access time for the file - this is required + // update the last access time for the file - this is required // even though we are reading and not writing because this is the // way the cache works - it relies on a valid "last accessed time" for // each file so it knows how to remove the oldest, unused files - LLFileSystem::mDiskCache->updateFileAccessTime(filename); + LLDiskCache::getInstance()->updateFileAccessTime(filename); return success; } -BOOL LLFileSystem::isReadComplete() -{ - if (mReadComplete) - { - return TRUE; - } - - return FALSE; -} - S32 LLFileSystem::getLastBytesRead() { - return mBytesRead; + return mBytesRead; } BOOL LLFileSystem::eof() { - return mPosition >= getSize(); + return mPosition >= getSize(); } -BOOL LLFileSystem::write(const U8 *buffer, S32 bytes) +BOOL LLFileSystem::write(const U8* buffer, S32 bytes) { std::string id_str; mFileID.toString(id_str); - const std::string filename = idToFilepath(id_str, mFileType); + const std::string extra_info = ""; + const std::string filename = LLDiskCache::getInstance()->metaDataToFilepath(id_str, mFileType, extra_info); BOOL success = FALSE; @@ -295,37 +219,37 @@ BOOL LLFileSystem::write(const U8 *buffer, S32 bytes) BOOL LLFileSystem::seek(S32 offset, S32 origin) { - if (-1 == origin) - { - origin = mPosition; - } + if (-1 == origin) + { + origin = mPosition; + } - S32 new_pos = origin + offset; + S32 new_pos = origin + offset; - S32 size = getSize(); + S32 size = getSize(); - if (new_pos > size) - { - LL_WARNS() << "Attempt to seek past end of file" << LL_ENDL; + if (new_pos > size) + { + LL_WARNS() << "Attempt to seek past end of file" << LL_ENDL; - mPosition = size; - return FALSE; - } - else if (new_pos < 0) - { - LL_WARNS() << "Attempt to seek past beginning of file" << LL_ENDL; + mPosition = size; + return FALSE; + } + else if (new_pos < 0) + { + LL_WARNS() << "Attempt to seek past beginning of file" << LL_ENDL; - mPosition = 0; - return FALSE; - } + mPosition = 0; + return FALSE; + } - mPosition = new_pos; - return TRUE; + mPosition = new_pos; + return TRUE; } S32 LLFileSystem::tell() const { - return mPosition; + return mPosition; } S32 LLFileSystem::getSize() @@ -335,11 +259,11 @@ S32 LLFileSystem::getSize() S32 LLFileSystem::getMaxSize() { - // offer up a huge size since we don't care what the max is + // offer up a huge size since we don't care what the max is return INT_MAX; } -BOOL LLFileSystem::rename(const LLUUID &new_id, const LLAssetType::EType new_type) +BOOL LLFileSystem::rename(const LLUUID& new_id, const LLAssetType::EType new_type) { LLFileSystem::renameFile(mFileID, mFileType, new_id, new_type); @@ -355,19 +279,3 @@ BOOL LLFileSystem::remove() return TRUE; } - -// static -void LLFileSystem::initClass() -{ - const std::string cache_dir = gDirUtilp->getExpandedFilename(LL_PATH_CACHE, mCacheDirName); - - LLFileSystem::mDiskCache = new LLDiskCache(cache_dir); - - mDiskCache->purge(); -} - -// static -void LLFileSystem::cleanupClass() -{ - delete LLFileSystem::mDiskCache; -} |